Frosty Coz

The act of defecating in the the glades, back country, or off the side of a public ski trail. Short for "Frosty Cosby"

"These glades are so sick today..pass that joint"
"Yea we are finding it in here...sucks though, I really need to shit"
"Dude...just drop a Frosty Coz"
"I think I will...can you look out for me"
"Sure brah"